Annual report pursuant to Section 13 and 15(d)

Business and Credit Concentrations - Additional Information (Detail)

v3.8.0.1
Business and Credit Concentrations - Additional Information (Detail)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2017
USD ($)
Sep. 30, 2017
USD ($)
Jun. 30, 2017
USD ($)
Mar. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Sep. 30, 2016
USD ($)
Jun. 30, 2016
USD ($)
Mar. 31, 2016
USD ($)
Dec. 31, 2017
USD ($)
Customer
Dec. 31, 2016
USD ($)
Customer
Dec. 31, 2015
USD ($)
Customer
Concentration Risk [Line Items]                      
International net sales $ 970,589 $ 1,094,829 $ 1,025,934 $ 1,072,808 $ 764,290 $ 942,417 $ 877,810 $ 978,794 $ 4,164,160 $ 3,563,311 $ 3,147,323
Credit losses attributable to write-offs (recoveries)                 12,800 12,700 5,200
Sales return expense                 $ 5,600 $ 16,900 $ 2,300
Net Sales [Member] | Customer Concentration Risk [Member]                      
Concentration Risk [Line Items]                      
Number of customers accounting for more than 10% | Customer                 0 0 0
Number of largest customers | Customer                 5 5 5
Percentage of concentration risk                 10.50% 11.30% 14.60%
Net Trade Receivable [Member] | Credit Concentration Risk [Member]                      
Concentration Risk [Line Items]                      
Number of customers accounting for more than 10% | Customer                 0 0  
Domestic [Member]                      
Concentration Risk [Line Items]                      
Accounts receivable 206,100       169,400       $ 206,100 $ 169,400  
International net sales                 2,055,475 1,920,051 $ 1,876,201
Non-US [Member]                      
Concentration Risk [Line Items]                      
Accounts receivable 251,000       199,100       251,000 199,100  
International net sales                 2,109,000 1,643,000 $ 1,271,000
Net total assets held outside the United States $ 1,273,000       $ 1,060,000       $ 1,273,000 $ 1,060,000